Sound device



March 5, 1929. J. GRUBMAN SOUND DEVICE Filed Dec. 17, 1925 LEO J'. GEUBMAN, OF NEW'YORK, N.

masts ice.

ASSIGNOR TO VOICES INCORPORATED, OF

NEWARK, NEW JERSEY, A CORPORATION OF DELAWARE.

SOUND Application filed December Mv invention relates to improvements in sound devices and more particularly to sound devices to be usedin toys such as dolls for the purpose of causing them to emit sound like maqna, pa-pa, etc. The main object of the invention is to provide adevice of the class described, which is not only simple, easy and cheap to manufacture but which is also efficient in operation and not likely to get out of order. Further and more specific objects, features and advantages will more clearly appear from the detailed description given below taken in connection with the accompanying sheet of drawings which illustrate one embodiment of my improvements.

In the draw1ngs,-1*ig. 1 is a vertical section and Fig. 2 1s a plan or the cap member forming the sound chamber otthe device,

Referring to the drawings, 3 representsa cylindrical casing of cardboard or other suitable material closedat one end by a sheet metal circular cover 4 and at the other end by sheet metal circular cover 5 perforated as at 6. 7 represents atubularbellows of rubberized cloth or other suitable material, one end of the bellows being clamped and secured to one end of the casing'by the cover 4 as at 8 whereby the cover 4 forms a head closing one end of the bellows. The other end of the bellows is clamped to a circular weighty disc or head 9 as at 10 by a. sheet metal cap member 11, the cap 11 forming a sound chamber 12 in connection with and on a top or" the weighty head member 9. The

weighty head 9 is adapted to slide backand forth in the casing by gravity to compress and distend the bellows whereby a compress sible air chamber isformed. 13 represents a reed pipe inserted in'an opening extending through the head 9, the reed pipe having a sound reed which is operated when the bellows is compressed in a manner Well understood by those skilled in the art, the

sound from the reed issuing into the sound chamber 12. 14 represents a flat guide post,

the ends of which are held in position by cn-,

gagement with recesses in the covers 4 and 5 respectively as at 15 and 16. The head 9 is provided with a slot- 17 extending therethrough shaped like the cross section of the post 14, and through which slot the post 14 passes. The cap 11 isprovided with a similar slot 18 through which the post 14 passes. Thus the weighty head and sound DEVICE.

17, 1925. Serial no. 75,980.

chamber are guided by the post 14 in their' movements back and forth to compress and distend the bellows.

The cap 11 is also provided with an openmg 19 through which the sound issuing from the reed into the sound chamber may issue.

As will be seen from Fig. 2 the slot 18 is in communication with and opensinto' the opening 19. The opening 19 is normally closed by a hemi-spherical valve 20. EX- tending within the sound chamber is a resillent coil spring 21 one end of which is connected to the valve 20 and the other endfoi which is anchored to the head 9 in the sound chamber at 22. It will be noted that the cap 11 is pressed inwardly about the openmg 19 to fom a concave seat for. the. valve and the lower face or surface. of the valve which normally closes the opening 19 is convex. By this arrangement the valve 20 is supported solely by the resilient-member or spring 21 and has a universal movement 0ver the opening 19 on the outside of the sound chamber and with respect thereto but in whatever direction the valve is moved away from its seat, the spring will always cause it to be properly reseated at'the proper time. The post 14 is cut away at 23am]. '24 to form a plurality of projections 25 and 26, and as the weighty head and sound chamber descend by gravity to compress the bellows the projection 25 will first engage the valve 20 causing it to be unseated whereby the sound from the reed will issue from the opening 19 and'through theperforations 6 to the outside, producing, for err-- ample, a sound like ma. WVhen the weighty head descends so that the valve 20 comes opposite the part 24, the spring will return the valve to its normal or closed position thus terminating the sound issuing from the device. As the weighty head turthus descends by gravity the valve 20 will be engaged and rocked away from the opening 19 by the projection 26 and the valve will be maintained opened during the further compression of the bellows thus producing a longer sound, for example, like ma thus simulating the word, ma-ma. The parts may be restored to their original position as shown in Fig. 1 by inverting the device whereby the weighty head will distend the bellows by gravity.

'VVhile I have described my invention in great detail and with respect to a preferred form thereof, 1 ,do not desire to be limited to such details or form since many changes and modifications may be made and the improvements embodied in widely fillflfilfflllib forms withoutdeparting {$0 111 the spini t and scope thereof in their broader aspects. Hence I desire to cover all modifications and forms coming Within the language or scope of any one or more of the appended claims.

What I claim as new and desire to secure by Letters Patent, is:

'1. A sound device having in combination a casing, a tubularbellows in the casing, one head ofthe bellows being secured with respect to the casing and the other head of the bellows being movable by gravity back and forth in the casing to compress and d'isten-d the bellows, a sound chamber carried with the movable head of the bellows, a sound reed, the sound from which is adapted to issue into the sound chamber upon operation of the bellows, said sound chamber having an opening for the issuance of sound therefrom, a valve having a convex face for closing said opening, a coiled spring extending in said sound chamber, one end of said spring being attached to said valve and the other end'of the spring being anchored in said sound chamberto normally tend to close said valve, and a guide post fixed with respect to the casing and along which movable head slides, said guide post having projections for engaging and operating said valve.

2. A sound device having in combination a casing, a tubular bellows in the casing, one head of the bellows being secured with res set to the casing and the other head of the bellows being slid-able by gravity back and forth in the casing to compress and distend the bellows, a sound chamber ,carried with the movable head of the bellows, sound reed the sound from which is adapted to issue into the sound chamber upon operation of the bellowssaid sound chamber having an opening for the issuance of sound therefrom, a valve having a semi-sphericah surface for closlngsaid open ng, a resilient member extending within the sound chamber and anchored there n, one end, of said re- 1,7oa,see

the bellows being slidable by gravity back and forth in the casing to compress and d stend the bellows, a sound chamber carried with the movable head of the bellows a sound reed the sound from which is adapted to issue into the sound chamber upon operation of the bellows, said sound chamber having an opening for the issuance of sound therefroima valve having a convex surface for closing said opening on the outside of said sound chamber, a swing in said sound chamber, one end of the springbeing connected with said valve to normally close said valve, and means for operating said valve responsive to the operation of the bellows to actuate the sound reed. I

4. A sound device having in combination a casing, a tubular bellows in the casing, one head of the bellows being secured with respect to the casing and the other head of the bellows being slidable by gravity back and forth in the casing to compress and distend the bellows, a sound chamber carried with the movable head of the bellows, a

sound reed the sound from which is adapted to issue into thesound chamber upon operation of the bellows, said sound chamber having an opening for the issuance of sound therefrom, a valve having a convex surface for closing said oponing'on the outside of said sound chamber, a spring inv said sound chamber, one end of the spring being connected with said valve to normally close said valve, and means for operating said valve responsive to theoperatifon of the bellows to actuate the sound reed, said valve having a universal movement over said opening.

In testimony whereof I have signed my named to this specification.

LEO J. GRUBMAN. 

